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Tools for Focus Apps With Whitelists

The problem, in plain words: “I’m looking for a free focus app that lets me whitelist specific apps or websites.”

Lockby fits best.

You want a free focus tool that blocks distractions while keeping selected websites or apps accessible.

Updated October 2026.

What fits

Lockby logo
Lockbystrong · 82

Its free tier lets you whitelist websites and blocks other browser domains during focus sessions, directly matching your request.

Best for: Keeping only selected websites accessible while focusing in a browser.

Caveat: It whitelists websites in the browser, rather than apps across your device.

Partly fits

AppBlockpartial · 58

It explicitly offers an Allowlist Mode that blocks everything except selected essential apps, closely matching the access-control part of your request.

Won’t cover: The listing does not establish that the allowlist feature is free.

DontBeLazypartial · 56

It creates task-specific whitelists for apps and websites, which closely fits your focus setup.

Won’t cover: The listing does not establish that the app is free.

Switchlypartial · 52

It blocks apps and websites on Android, so it addresses distraction blocking, but selected-app whitelisting is not described.

Won’t cover: Its description focuses on blocking selected distractions rather than allowing only a chosen set.

Curboxpartial · 52

It is a free Android app and website blocker, though the description does not establish a whitelist mode.

Won’t cover: Its described controls focus on blocking distractions, not allowing only selected apps or sites.

Questions

What's the best tool for Focus Apps With Whitelists?

Lockby is the strongest match — Its free tier lets you whitelist websites and blocks other browser domains during focus sessions, directly matching your request. One caveat: it whitelists websites in the browser, rather than apps across your device.

Is there a tool that fully solves this?

1 product matches this closely.

What won't these tools cover?

The listing does not establish that the allowlist feature is free. · The listing does not establish that the app is free. · Its description focuses on blocking selected distractions rather than allowing only a chosen set. · Its described controls focus on blocking distractions, not allowing only selected apps or sites.

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Matched by Matchbox. Nothing here is sponsored and payment never affects ranking. Products link to their listings; some are auto-extracted and not yet maker-verified.